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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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iwlwifi: dbg_ini: implement monitor dram memory dump
Implement monitor dram memory dump in the new dump mechanism. Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Shahar S Matityahu
Luca Coelho
parent
3f37c22954
commit
106b791ac3
@ -1132,6 +1132,26 @@ static int iwl_dump_ini_paging_iter(struct iwl_fw_runtime *fwrt,
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return le32_to_cpu(range->range_data_size);
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}
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static int
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iwl_dump_ini_mon_dram_iter(struct iwl_fw_runtime *fwrt,
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struct iwl_fw_ini_error_dump_range *range,
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struct iwl_fw_ini_region_cfg *reg,
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int idx)
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{
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u32 start_addr = iwl_read_prph(fwrt->trans, MON_BUFF_BASE_ADDR_VER2);
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if (start_addr == 0x5a5a5a5a)
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return -1;
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range->start_addr = cpu_to_le32(start_addr);
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range->range_data_size = cpu_to_le32(fwrt->trans->fw_mon[idx].size);
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memcpy(range->data, fwrt->trans->fw_mon[idx].block,
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fwrt->trans->fw_mon[idx].size);
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return le32_to_cpu(range->range_data_size);
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}
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static struct iwl_fw_ini_error_dump_range
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*iwl_dump_ini_mem_fill_header(struct iwl_fw_runtime *fwrt, void *data)
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{
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@ -1140,6 +1160,27 @@ static struct iwl_fw_ini_error_dump_range
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return dump->ranges;
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}
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static struct iwl_fw_ini_error_dump_range
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*iwl_dump_ini_mon_dram_fill_header(struct iwl_fw_runtime *fwrt, void *data)
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{
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struct iwl_fw_ini_monitor_dram_dump *mon_dump = (void *)data;
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u32 write_ptr, cycle_cnt;
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unsigned long flags;
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if (!iwl_trans_grab_nic_access(fwrt->trans, &flags)) {
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IWL_ERR(fwrt, "Failed to get DRAM monitor header\n");
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return NULL;
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}
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write_ptr = iwl_read_prph_no_grab(fwrt->trans, MON_BUFF_WRPTR_VER2);
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cycle_cnt = iwl_read_prph_no_grab(fwrt->trans, MON_BUFF_CYCLE_CNT_VER2);
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iwl_trans_release_nic_access(fwrt->trans, &flags);
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mon_dump->write_ptr = cpu_to_le32(write_ptr);
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mon_dump->cycle_cnt = cpu_to_le32(cycle_cnt);
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return mon_dump->ranges;
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}
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static u32 iwl_dump_ini_mem_get_size(struct iwl_fw_runtime *fwrt,
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struct iwl_fw_ini_region_cfg *reg)
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{
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@ -1169,6 +1210,12 @@ static u32 iwl_dump_ini_paging_get_size(struct iwl_fw_runtime *fwrt,
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return size;
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}
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static u32 iwl_dump_ini_mon_dram_get_size(struct iwl_fw_runtime *fwrt,
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struct iwl_fw_ini_region_cfg *reg)
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{
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return fwrt->trans->num_blocks ? fwrt->trans->fw_mon[0].size : 0;
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}
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static u32 iwl_dump_ini_mem_ranges(struct iwl_fw_runtime *fwrt,
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struct iwl_fw_ini_region_cfg *reg)
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{
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@ -1187,6 +1234,12 @@ static u32 iwl_dump_ini_paging_ranges(struct iwl_fw_runtime *fwrt,
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return fwrt->num_of_paging_blk;
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}
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static u32 iwl_dump_ini_mon_dram_ranges(struct iwl_fw_runtime *fwrt,
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struct iwl_fw_ini_region_cfg *reg)
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{
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return 1;
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}
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/**
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* struct iwl_dump_ini_mem_ops - ini memory dump operations
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* @get_num_of_ranges: returns the number of memory ranges in the region.
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@ -1312,7 +1365,13 @@ static int iwl_fw_ini_get_trigger_len(struct iwl_fw_runtime *fwrt,
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break;
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}
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case IWL_FW_INI_REGION_DRAM_BUFFER:
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/* Transport takes care of DRAM dumping */
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if (!fwrt->trans->num_blocks)
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break;
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size += hdr_len +
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sizeof(struct iwl_fw_ini_monitor_dram_dump) *
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iwl_dump_ini_mon_dram_ranges(fwrt, reg) +
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iwl_dump_ini_mon_dram_get_size(fwrt, reg);
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break;
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case IWL_FW_INI_REGION_DRAM_IMR:
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/* Undefined yet */
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default:
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@ -1324,8 +1383,7 @@ static int iwl_fw_ini_get_trigger_len(struct iwl_fw_runtime *fwrt,
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static void iwl_fw_ini_dump_trigger(struct iwl_fw_runtime *fwrt,
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struct iwl_fw_ini_trigger *trigger,
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struct iwl_fw_error_dump_data **data,
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u32 *dump_mask)
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struct iwl_fw_error_dump_data **data)
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{
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int i, num = le32_to_cpu(trigger->num_regions);
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@ -1363,7 +1421,11 @@ static void iwl_fw_ini_dump_trigger(struct iwl_fw_runtime *fwrt,
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iwl_dump_ini_mem(fwrt, type, data, reg, &ops);
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break;
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case IWL_FW_INI_REGION_DRAM_BUFFER:
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*dump_mask |= BIT(IWL_FW_ERROR_DUMP_FW_MONITOR);
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ops.get_num_of_ranges = iwl_dump_ini_mon_dram_ranges;
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ops.get_size = iwl_dump_ini_mon_dram_get_size;
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ops.fill_mem_hdr = iwl_dump_ini_mon_dram_fill_header;
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ops.fill_range = iwl_dump_ini_mon_dram_iter;
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iwl_dump_ini_mem(fwrt, type, data, reg, &ops);
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break;
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case IWL_FW_INI_REGION_PAGING: {
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ops.fill_mem_hdr = iwl_dump_ini_mem_fill_header;
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@ -1406,8 +1468,7 @@ static void iwl_fw_ini_dump_trigger(struct iwl_fw_runtime *fwrt,
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static struct iwl_fw_error_dump_file *
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_iwl_fw_error_ini_dump(struct iwl_fw_runtime *fwrt,
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struct iwl_fw_dump_ptrs *fw_error_dump,
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u32 *dump_mask)
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struct iwl_fw_dump_ptrs *fw_error_dump)
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{
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int size, id = le32_to_cpu(fwrt->dump.desc->trig_desc.type);
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struct iwl_fw_error_dump_data *dump_data;
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@ -1440,11 +1501,10 @@ _iwl_fw_error_ini_dump(struct iwl_fw_runtime *fwrt,
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dump_data = (void *)dump_file->data;
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dump_file->file_len = cpu_to_le32(size);
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*dump_mask = 0;
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if (trigger)
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iwl_fw_ini_dump_trigger(fwrt, trigger, &dump_data, dump_mask);
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iwl_fw_ini_dump_trigger(fwrt, trigger, &dump_data);
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if (ext)
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iwl_fw_ini_dump_trigger(fwrt, ext, &dump_data, dump_mask);
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iwl_fw_ini_dump_trigger(fwrt, ext, &dump_data);
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return dump_file;
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}
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@ -1470,8 +1530,7 @@ void iwl_fw_error_dump(struct iwl_fw_runtime *fwrt)
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goto out;
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if (fwrt->trans->ini_valid)
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dump_file = _iwl_fw_error_ini_dump(fwrt, fw_error_dump,
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&dump_mask);
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dump_file = _iwl_fw_error_ini_dump(fwrt, fw_error_dump);
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else
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dump_file = _iwl_fw_error_dump(fwrt, fw_error_dump);
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@ -1483,7 +1542,10 @@ void iwl_fw_error_dump(struct iwl_fw_runtime *fwrt)
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if (!fwrt->trans->ini_valid && fwrt->dump.monitor_only)
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dump_mask &= IWL_FW_ERROR_DUMP_FW_MONITOR;
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fw_error_dump->trans_ptr = iwl_trans_dump_data(fwrt->trans, dump_mask);
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if (!fwrt->trans->ini_valid)
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fw_error_dump->trans_ptr =
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iwl_trans_dump_data(fwrt->trans, dump_mask);
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file_len = le32_to_cpu(dump_file->file_len);
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fw_error_dump->fwrt_len = file_len;
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if (fw_error_dump->trans_ptr) {
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@ -301,7 +301,7 @@ struct iwl_fw_ini_error_dump_header {
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/**
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* struct iwl_fw_ini_error_dump - ini region dump
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* @header: the header of this region
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* @ranges: the memory ranges of this this region
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* @ranges: the memory ranges of this region
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*/
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struct iwl_fw_ini_error_dump {
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struct iwl_fw_ini_error_dump_header header;
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@ -322,6 +322,20 @@ struct iwl_fw_error_dump_rb {
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u8 data[];
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};
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/**
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* struct iwl_fw_ini_monitor_dram_dump - ini dram monitor dump
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* @header - header of the region
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* @write_ptr - write pointer position in the dram
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* @cycle_cnt - cycles count
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* @ranges - the memory ranges of this this region
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*/
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struct iwl_fw_ini_monitor_dram_dump {
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struct iwl_fw_ini_error_dump_header header;
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__le32 write_ptr;
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__le32 cycle_cnt;
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struct iwl_fw_ini_error_dump_range ranges[];
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} __packed;
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/**
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* struct iwl_fw_error_dump_paging - content of the UMAC's image page
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* block on DRAM
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